return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for H2CNCH (methyleneaminomethylene)

using model chemistry: TPSSh/cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at TPSSh/cc-pVDZ
 hartrees
Energy at 0K-132.689325
Energy at 298.15K-132.691818
HF Energy-132.689325
Nuclear repulsion energy60.692387
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at TPSSh/cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3142 3056 0.92      
2 A' 3063 2978 17.49      
3 A' 1997 1942 190.35      
4 A' 1481 1440 1.95      
5 A' 1222 1188 8.52      
6 A' 938 912 319.01      
7 A' 693 674 77.63      
8 A' 481 468 21.02      
9 A" 3259 3169 1.94      
10 A" 1128 1097 7.35      
11 A" 957 931 10.09      
12 A" 343 334 3.08      

Unscaled Zero Point Vibrational Energy (zpe) 9352.1 cm-1
Scaled (by 0.9724) Zero Point Vibrational Energy (zpe) 9094.0 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at TPSSh/cc-pVDZ
ABC
6.35046 0.34876 0.34174

See section I.F.4 to change rotational constant units
Geometric Data calculated at TPSSh/cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.202 -1.166 0.000
N2 0.000 0.100 0.000
C3 -0.370 1.274 0.000
H4 0.288 -1.694 0.951
H5 0.288 -1.694 -0.951
H6 0.426 2.042 0.000

Atom - Atom Distances (Å)
  C1 N2 C3 H4 H5 H6
C11.28292.50621.09131.09133.2159
N21.28291.23012.05162.05161.9875
C32.50621.23013.18553.18551.1056
H41.09132.05163.18551.90243.8578
H51.09132.05163.18551.90243.8578
H63.21591.98751.10563.85783.8578

picture of methyleneaminomethylene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 N2 C3 171.598 N2 C1 H4 119.353
N2 C1 H5 119.353 N2 C3 H6 116.520
H4 C1 H5 121.293
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at TPSSh/cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C -0.055      
2 N -0.011      
3 C -0.145      
4 H 0.065      
5 H 0.065      
6 H 0.082      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  1.463 -0.930 0.000 1.734
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 2.752 -1.182 0.000
y -1.182 8.785 0.000
z 0.000 0.000 2.762


<r2> (average value of r2) Å2
<r2> 42.255
(<r2>)1/2 6.500